Inventor · disambiguated record
Joan Laverne Mitchell
Also filed as: MITCHELL JOAN L · MITCHELL JOAN L V · MITCHELL JOAN LAVERNE
109 granted patents·9 pending applications·3,220 citations·filing 1976–2013
99Inventor score
Files withIBM97INFOPRINT SOLUTIONS CO LLC9DILLENBERGER DONNA N1DILLENBERGER DONNA N ENG1ESCAMILLA TERRY DWAIN1
Top patents by PatentIndex Score
118 records- 0198US4891643AArithmetic coding data compression/de-compression by selectively employed, diverse arithmetic coding encoders and decodersIBM·Filed 1986·Granted Jan 2, 1990·173 cites·33 claims
- 0297US6941019B1Reentry into compressed dataIBM·Filed 2000·Granted Sep 6, 2005·124 cites·60 claims
- 0397US5045852ADynamic model selection during data compressionIBM·Filed 1990·Granted Sep 3, 1991·181 cites·20 claims
- 0497US4905297AArithmetic coding encoder and decoder systemIBM·Filed 1988·Granted Feb 27, 1990·162 cites·15 claims
- 0597US4725885AAdaptive graylevel image compression systemIBM·Filed 1986·Granted Feb 16, 1988·162 cites·16 claims
- 0697US4596039AMethod for converting an image from a run end or run length representation to a bit mapIBM·Filed 1983·Granted Jun 17, 1986·75 cites·20 claims
- 0796US7146053B1Reordering of compressed dataIBM·Filed 2000·Granted Dec 5, 2006·106 cites·49 claims
- 0896US4935882AProbability adaptation for arithmetic codersIBM·Filed 1988·Granted Jun 19, 1990·111 cites·26 claims
- 0994US6966712B2Method and system for minimizing the appearance of image distortion in a high speed inkjet paper printing systemIBM·Filed 2004·Granted Nov 22, 2005·58 cites·40 claims
- 1094US6243420B1Multi-spectral image compression and transformationIBM·Filed 2000·Granted Jun 5, 2001·52 cites·6 claims
- 1194US4933883AProbability adaptation for arithmetic codersIBM·Filed 1988·Granted Jun 12, 1990·89 cites·11 claims
- 1294US4633490ASymmetrical optimized adaptive data compression/transfer/decompression systemIBM·Filed 1984·Granted Dec 30, 1986·61 cites·17 claims
- 1394US4046073AUltrasonic transfer printing with multi-copy, color and low audible noise capabilityIBM·Filed 1976·Granted Sep 6, 1977·66 cites·29 claims
- 1493US5099440AProbability adaptation for arithmetic codersIBM·Filed 1990·Granted Mar 24, 1992·99 cites·19 claims
- 1593US4369463AGray scale image data compression with code words a function of image historyIBM·Filed 1981·Granted Jan 18, 1983·79 cites·21 claims
- 1691US7869980B2Using statistics to locate signals in noiseIBM·Filed 2005·Granted Jan 11, 2011·23 cites·19 claims
- 1791US6606418B2Enhanced compression of documentsIBM·Filed 2001·Granted Aug 12, 2003·68 cites·14 claims
- 1889US7062098B1Method and apparatus for the scaling down of dataIBM·Filed 2000·Granted Jun 13, 2006·31 cites·18 claims
- 1988US6678423B1Shift and/or merge of transformed data along two axesIBM·Filed 2000·Granted Jan 13, 2004·37 cites·31 claims
- 2087US6644773B2Method, system, and article of manufacture for performing registration calibration for printing devicesIBM·Filed 2002·Granted Nov 11, 2003·33 cites·38 claims
- 2186US6839468B1Scaling of multi-dimensional data in a hybrid domainIBM·Filed 2000·Granted Jan 4, 2005·23 cites·39 claims
- 2285US7312902B2Background data recording and use with document processingINFOPRINT SOLUTIONS CO LLC·Filed 2003·Granted Dec 25, 2007·60 cites·23 claims
- 2385US7177441B2System and method for secret communicationIBM·Filed 2002·Granted Feb 13, 2007·46 cites·9 claims
- 2485US7120303B2Adaptive generation of Q-table2 for improved image qualityIBM·Filed 2002·Granted Oct 10, 2006·23 cites·11 claims
- 2584US8381184B2Dynamic test coverageIBM·Filed 2008·Granted Feb 19, 2013·17 cites·17 claims
- 2684US4725815AMethod for encoding and decoding a digital imageIBM·Filed 1986·Granted Feb 16, 1988·46 cites·8 claims
- 2782US6393155B1Error reduction in transformed digital dataIBM·Filed 1998·Granted May 21, 2002·45 cites·60 claims
- 2882US6222884B1Multi-spectral image compression and transformationIBM·Filed 2000·Granted Apr 24, 2001·17 cites·8 claims
- 2982US6198842B1Multi-spectral image compression with bounded lossIBM·Filed 1997·Granted Mar 6, 2001·58 cites·8 claims
- 3082US4783834ASystem for creating transposed image data from a run end or run length representation of an imageIBM·Filed 1987·Granted Nov 8, 1988·67 cites·22 claims
- 3181US7720310B2Scaling down of dataIBM·Filed 2008·Granted May 18, 2010·4 cites·4 claims
- 3281US7362908B2Adaptive generation of Q-table2 for improved image qualityIBM·Filed 2006·Granted Apr 22, 2008·5 cites·8 claims
- 3381US6970179B1Method and apparatus for the scaling up of dataIBM·Filed 2000·Granted Nov 29, 2005·20 cites·23 claims
- 3481US4870695ACompression and de-compression of column-interlaced, row-interlaced graylevel digital imagesIBM·Filed 1988·Granted Sep 26, 1989·39 cites·22 claims
- 3580US8140578B2Multilevel hierarchical associations between entities in a knowledge systemJOHNSON SANDRA K·Filed 2008·Granted Mar 20, 2012·11 cites·18 claims
- 3680US4888645AMethod for encoding and decoding a digital imageIBM·Filed 1987·Granted Dec 19, 1989·74 cites·33 claims
- 3779US7343267B1Methods and systems for statistical based monitoring and power managementIBM·Filed 2006·Granted Mar 11, 2008·12 cites·20 claims
- 3879US6256422B1Transform-domain correction of real-domain errorsIBM·Filed 1998·Granted Jul 3, 2001·71 cites·88 claims
- 3979US4799105AModified technique for suppression of flicker in interlaced video imagesIBM·Filed 1987·Granted Jan 17, 1989·32 cites·12 claims
- 4078US6738509B2Multi-spectral image compression with bounded lossIBM·Filed 2002·Granted May 18, 2004·11 cites·4 claims
- 4178US4791403ALog encoder/decorder systemIBM·Filed 1987·Granted Dec 13, 1988·30 cites·17 claims
- 4278US4610027AMethod for converting a bit map of an image to a run length or run end representationIBM·Filed 1983·Granted Sep 2, 1986·27 cites·19 claims
- 4377US7558815B2Processing of performance sensitive transformsINFOPRINT SOLUTIONS CO LLC·Filed 2005·Granted Jul 7, 2009·8 cites·18 claims
- 4477US6690832B1Method, system, and program for decoding compressed data at multiple pointsIBM·Filed 2000·Granted Feb 10, 2004·23 cites·53 claims
- 4577US4646356AMethod for converting a bit map of an image to a run length or run end representationIBM·Filed 1984·Granted Feb 24, 1987·56 cites·10 claims
- 4676US6956670B1Method, system, program, and data structures for halftoning with line screens having different lines per inch (LPI)IBM·Filed 2000·Granted Oct 18, 2005·15 cites·50 claims
- 4775US4965677ACompression of binary halftonesIBM·Filed 1989·Granted Oct 23, 1990·27 cites·10 claims
- 4874US7653674B2Parallel operations on multiple signed elements in a registerINFOPRINT SOLUTIONS CO LLC·Filed 2005·Granted Jan 26, 2010·6 cites·31 claims
- 4973US6879725B2Method, system, and program for decoding a section from compressed dataIBM·Filed 2001·Granted Apr 12, 2005·11 cites·62 claims
- 5073US6834337B1System and method for enabling multiple signed independent data elements per registerIBM·Filed 2000·Granted Dec 21, 2004·19 cites·46 claims
Showing the top 50 of 118 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →